Space
Fast, mysterious clouds swarm around our galaxy
Astronomers want to know the source — and importance — of these faint, fast-moving clouds that zoom beyond and toward our Milky Way’s disk.
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Astronomers want to know the source — and importance — of these faint, fast-moving clouds that zoom beyond and toward our Milky Way’s disk.
Computer models show that a star's tug could send Mercury, Venus or Mars crashing into Earth — or let Jupiter eject our world from the solar system.
Astronomers have captured polarized light coming from the Milky Way’s supermassive black hole. This offers insight into its magnetic fields.
Here’s what causes the sun’s 11-year cycle of activity and what it means for us on Earth.
The sun’s corona can only be seen without special instruments during a total solar eclipse.
If trees could act as natural antennas, one physicist proposes that they just might pick up signals of hard-to-spot ultra-high energy neutrinos.
Meteorites are bits of space rock that have crash-landed on Earth — or on another celestial body.
This roughly 11-year cycle in the sun’s activity can affect space weather that messes with Earthly technology.
Researchers are trying to figure out the recipe of atmospheric conditions that creates this aurora-like light show.
Nathaniel Frissell uses radio data to study how eclipses affect a layer of the atmosphere called the ionosphere.